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Rausu Kō West (No. 3) Breakwater Lighthouse

Fl Green 4s🇯🇵Rausu, JPOperational

Location & Light Range

About Rausu Kō West (No. 3) Breakwater Lighthouse

A white, round, cylindrical concrete tower stands 11 meters tall, with its light positioned 12 meters above the water. Built in 1980, this structure is located on the west breakwater of Rausu Port in Hokkaido Prefecture, Japan. It emits a single green flash every four seconds, visible for 11 nautical miles. The lighthouse guides vessels entering and departing the harbor, aiding navigation within the waters of Rausu Port. While the site is open to the public, the tower itself is closed.

Why it matters: This light assists numerous fishing boats and other vessels navigating the harbor entrance and supports the local fishing economy by ensuring reliable access to the Nemuro Strait's fishing grounds.

Light & Optic

Characteristic Signature
Fl Green 4s
Flash Type
Flashing
Light Color
Green
Interval
4s
Raw Code
Fl G 4s
Focal Height
12m
Geographic Range
11NM

Construction & History

Year Built
1980

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, painted white

Location

City
Rausu
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located on the west breakwater of Rausu Port in Japan, guiding vessels entering and departing the harbor.
Latitude
44.0225°
Longitude
145.1994°

References & Identifiers

Nearest Port
Abashiri(39.1 km)
Admiralty No.
M6861.2
NGA No.
0420
ARLHS No.
JPN-906
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Frequently Asked Questions

How do mariners identify Rausu Kō West (No. 3) Breakwater Lighthouse at night?+
Rausu Kō West (No. 3) Breakwater displays the characteristic Fl Green 4s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The green color may indicate a specific sector or warning zone.
Which ports and harbors does Rausu Kō West (No. 3) Breakwater Lighthouse guide vessels into?+
Rausu Kō West (No. 3) Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Shibetsu at 21.9 NM to the S. Other ports served include Yuzhno-Kuril'sk (28.2 NM E), Abashiri (39.3 NM W), Nemuro (44.6 NM SSE), Hanasaki (47.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rausu Kō West (No. 3) Breakwater Lighthouse still active and maintained?+
Yes, Rausu Kō West (No. 3) Breakwater Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Rausu Kō West (No. 3) Breakwater Lighthouse?+
You can track vessels near Rausu Kō West (No. 3) Breakwater Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.